Base | Representation |
---|---|
bin | 11110001100010… |
… | …11011101001011 |
3 | 122122120212010200 |
4 | 33012023131023 |
5 | 1004314344102 |
6 | 41044343243 |
7 | 6163553622 |
oct | 1706133513 |
9 | 578525120 |
10 | 253278027 |
11 | 11aa72592 |
12 | 709a4b23 |
13 | 4061c772 |
14 | 258d06b9 |
15 | 1738051c |
hex | f18b74b |
253278027 has 6 divisors (see below), whose sum is σ = 365846052. Its totient is φ = 168852012.
The previous prime is 253278013. The next prime is 253278031. The reversal of 253278027 is 720872352.
It is a happy number.
It is not a de Polignac number, because 253278027 - 26 = 253277963 is a prime.
It is a super-2 number, since 2×2532780272 = 128299517922025458, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 253277982 and 253278000.
It is not an unprimeable number, because it can be changed into a prime (253278007) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14070993 + ... + 14071010.
It is an arithmetic number, because the mean of its divisors is an integer number (60974342).
Almost surely, 2253278027 is an apocalyptic number.
253278027 is a deficient number, since it is larger than the sum of its proper divisors (112568025).
253278027 is a wasteful number, since it uses less digits than its factorization.
253278027 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28142009 (or 28142006 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 253278027 is about 15914.7110247092. The cubic root of 253278027 is about 632.7019478354.
The spelling of 253278027 in words is "two hundred fifty-three million, two hundred seventy-eight thousand, twenty-seven".
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